等级 – phrases

Terms for subject Earth sciences containing 等级 | all forms | in specified order only

Chinese	English
危害等级	hazard degree
土地等级和土地价格	land grading and land price
土地分等定级【土】	land rating
土壤肥力等级	soil fertility grade
增量水灾等级	incremental flood hazard category
平均等级	average ranks
有害废物等级排列系统美	hazardous ranking system
气味等级评估	flavor rating assessment
等级	grading
等级决定因子土	class-determining factor
等级演替理论	hierarchical succession theory
等级结构	hierarchical organization
镍等效级	nickel equivalent grade